2011-2016
Successfully completed the high-pressure hydrogen-containing piping supply work for the major domestic 'three oil giants' ethylene refining projects, with a capacity of 1 to 1.2 million tons of ethylene: Daqing Petrochemical, Dushanzi Petrochemical, Tianjin Petrochemical, Zhenhai Refining, etc.; and for 10 million tons of refining: Dushanzi Petrochemical, Dalian Petrochemical, Guangxi Petrochemical, Sichuan Petrochemical, Huizhou Refining, etc.
